Historical Timeline
 1787 The Northwest Ordinance outlaws slavery in the Northwest Territories which later developed into Ohio, Indiana, Illinois, Wisconsin, and Michigan.
 1803 Ohio is admitted to the union as a free state.
 1831 Lane theological seminary in Cincinnati expels antislavery students, including Theodore Weld, many of whom become agents for the American Anti-Slavery Society.
 1855 John Mercer Langston, a former slave, is elected clerk of Brownhelm Township in Ohio.  He is the first black to win an elective political office in the United States.